package com.travel.bhelp.common.utils;

import org.apache.commons.lang3.StringUtils;

public class StringUtil extends StringUtils {

    public static boolean isBlank(CharSequence cs) {
        return StringUtils.isBlank(cs);
    }

    public static boolean isNotBlank(CharSequence cs) {
        return StringUtils.isNotBlank(cs);
    }

    public static String trimToEmpty(String str) {
        return StringUtils.trimToEmpty(str);
    }

    public static String substring(String str, int start, int end) {
        return StringUtils.substring(str, start, end);
    }
}
